At the end, when the house’s agent clerk leaves, he paid the female typist a final “patronizing” kiss. Which also reflect the inequality between men and women. The kiss that the house’s agent clerk gave the typist was meaning that he’s better than her. And at the end, there is only the typist; alone in her room, listen to music.
This part is kind of like he reflects how men think about their women. They think that men are more important, and women are just something for them to satisfy their sexual needs. So I think that is why for women, sex is like a duty that they have to do to please their men. So it means nothing to them. It was just a plain thing, even when they don’t like it, but they still don’t or can have a response to it.Edit